68 lines
1.8 KiB
Bash
68 lines
1.8 KiB
Bash
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#!/bin/sh
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#
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# Author: Laura Abbott <labbott@fedoraproject.org>
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#
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# Apply a stable patch update to the Fedora tree. This takes care of
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# - Downloading the patch from kernel.org
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# - Uploading the source file
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# - Removing old patch files
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# - Updating the spec file stable version
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# - Adding a proper changelog entry
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#
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# Based on steps from https://fedoraproject.org/wiki/Kernel/DayToDay#Stable_kernel_update
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#
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# Args: Stable version to update (e.g. 4.7.7, 4.8.1)
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if [ $# -lt 1 ]; then
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echo "Need a version"
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exit 1
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fi
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VERSION=`echo $1 | cut -d . -f 1`
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if [ -z $VERSION ]; then
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echo "Malformed version $1"
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exit 1
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fi
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PATCHLEVEL=`echo $1 | cut -d . -f 2`
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if [ -z $VERSION ]; then
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echo "Malformed version $1"
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exit 1
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fi
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SUBLEVEL=`echo $1 | cut -d . -f 3`
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if [ -z $VERSION ]; then
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echo "Malformed version $1"
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exit 1
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fi
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if [ ! -f patch-$1.xz ]; then
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wget https://cdn.kernel.org/pub/linux/kernel/v4.x/patch-$1.xz
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if [ ! $? -eq 0 ]; then
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echo "Download fail"
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exit 1
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fi
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fi
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grep $1 sources &> /dev/null
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if [ ! $? -eq 0 ]; then
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fedpkg upload patch-$1.xz
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# Cryptic awk: search for the previous patch level (if one exists) and
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# remove it from the source file
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awk -v VER=$VERSION.$PATCHLEVEL.$((SUBLEVEL-1)) '$0 !~ VER { print $0; }' < sources > sources.tmp
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mv sources.tmp sources
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fi
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# Update the stable level
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awk -v STABLE=$SUBLEVEL '/%define stable_update/ \
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{ print "%define stable_update " STABLE } \
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!/%define stable_update/ { print $0 }' \
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< kernel.spec > kernel.spec.tmp
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mv kernel.spec.tmp kernel.spec
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# Reset the base release for use with rpmdev-bumpspec
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BASERELEASE=`cat kernel.spec | grep "%global baserelease" | cut -d ' ' -f 3 | head -c 1`00
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BASERELEASE=$(($BASERELEASE-1))
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BASERELEASE=$BASERELEASE perl -p -i -e 's|%global baserelease.*|%global baserelease $ENV{'BASERELEASE'}|' kernel.spec
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rpmdev-bumpspec -c "Linux v$1" kernel.spec
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